$OpenBSD: patch-chrome_browser_ui_panels_panel_manager_cc,v 1.3 2015/03/18 19:26:29 robert Exp $
--- chrome/browser/ui/panels/panel_manager.cc.orig.port	Tue Mar 10 23:29:08 2015
+++ chrome/browser/ui/panels/panel_manager.cc	Wed Mar 11 07:22:50 2015
@@ -139,7 +139,7 @@ bool PanelManager::ShouldUsePanels(const std::string& 
 // static
 bool PanelManager::IsPanelStackingEnabled() {
   // Stacked panel mode is not supported in linux-aura.
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_BSD)
   return false;
 #else
   return true;
